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| Criterion |  UX Design Service Blueprinting |  Operations Fishbone Diagram |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | High | Low | Low |
Timedifferent | 0.5-2 Tage | 30-60 min | 15-45 min |
Participantsdifferent | 6-12 | 2-8 | 1-3 |
Formatdifferent | Workshop | Workshop | Async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Fishbone Diagram, Cause Categories, Investigation Backlog | ADR File, Decision Log, Rationale |
Tagsno overlap | Service designOperationsJourneyBlueprint | Root causeQualityOperations | ArchitectureRationaleDocumentationGovernance |
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